If an individual started running 10 miles three times a week, there would most likely be an
a.
increase in flexibility
b.
increase in muscular strength
c.
increase in muscular endurance
d.
increase in weight

The answer is letter C.

If an individual started running 10 miles three times a week, there would most likely be an increase in muscular endurance. Intense cardiovascular exercise such as running 10 miles is a sure way to increase muscle endurance, though increases and weight, flexibility, and strength are not always present.

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If an individual started running 10 miles three times a week, there would most likely be an C. increase in muscular endurance.
It will keep your muscles revved up, and your muscles will get used to enduring such stress. 

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.